Functions and control
If Tr>Ts+3, the outdoor system is turned off, the indoor fan will be at the heat residue sending mode.
If Tr<Ts+3, the outdoor system will be turned on again, the indoor fan will be at the cold air proof mode.
2.Indoor fan control:
manual control: You can choose high, medium, low and automatic speed control.
Automatic: When Tr<Ts, high speed.
When Ts≤Tr≤Ts+2ć, medium speed.
When Tr> Ts+2ć, low speed.
When the airflow speed has no delay from the high to low switching, the speed should be delayed for 3
minutes (remain at high speed for 3 minutes.) before the next switch.
3. Airgate location control: the location for the airgate can be set according to your needs.
4. Coldair proof operation
1˅ The indoor operation within 4 minutes after the start
up is as the following diagram, the air speed can be
raised only after the speed has reached a certain level.
Set speed
Heat start temp 1
Low speed
Heat start temp 2
Light speed
Heat start temp 3
Fan/off
Heat start temp 4
Fan/off
2˅ 4 minutes after the start up of the indoor fan, the light airflow and the low airflow will be turned to
these speed airflow.
3˅ In the cold air proof operation, the fan won’t stop after the start up.
4˅ During the cold air proof operation, the indoor system will continuously send ‘indoor high speed’ signals
to the outdoor system.
5.Residue heat sending˖The indoor fan will send the residue heat at a low speed for 12 seconds. If
other conditions are satisfied, when the compressor stops, the indoor system will operate at a light
speed.
The indoor fan will stop when the coil temperature is below the ‘heat start temp 4’.
6. Defrosting˖When the system receives the defrosting signal from outdoors, the indoor fan will stop and
the indoor temperature display won’t change. At the time, any indoor coil malfunctions will be neglected.
When the outdoor defrosting finishes, the coil malfunction will still be neglected until the
compressor has
been started up for 30 seconds. The indoor temperature display will not change and
the system operates at
the cold air proof mode.
7.Automatic heating temperature compensation: when the system enters the heating mode, the
temperature compensation (4) will be added. When the status is switched off, the compensation will be
erased.
5.1.5 Strength operation
The system enters the mode after receiving the ‘strength signal’.
Send strength operation signal to the outdoor system.
The mode change finishes the strength operation.
Domestic air conditioner
Keep the high
speed. The fan
doesn’t stop
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